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ClinicalTrials.gov public records Last synced Nov 1, 2026, 5:45 AM EST

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Showing 1417–1440 of 1,684 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Health message Clear all
Not listed Not applicable Interventional

Mobile Health Strategies for Veterans

NCT03022669
View directory record Official record
Conditions
Coronary Heart Disease
Interventions
Text Message, Mobile Application, Website
Behavioral · Other
Lead sponsor
San Francisco Veterans Affairs Medical Center
Federal
Eligibility
21 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
5
States / cities
Concord, California • Palo Alto, California • San Francisco, California + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 29, 2021 · Synced Nov 1, 2026, 5:45 AM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

Emails Promoting COVID-19 Vaccination Among Healthcare Workers

NCT04728594
View directory record Official record
Conditions
Vaccination Refusal, Communication
Interventions
Social Proof, Reframing, Scarcity Message
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
Not listed
Enrollment
9,566 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 26, 2021 · Synced Nov 1, 2026, 5:45 AM EST
Terminated Not applicable Interventional Accepts healthy volunteers

Family-centered Obesity Prevention: Communities for Healthy Living (CHL)

NCT03334669
View directory record Official record
Conditions
Pediatric Obesity, Obesity
Interventions
Parents Connect for Healthy Living (PConnect), Enhanced Nutrition Support, Media Resources
Behavioral
Lead sponsor
Boston College
Other
Eligibility
3 Years and older
Enrollment
4,999 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Chestnut Hill, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Nov 1, 2026, 5:45 AM EST
Completed Not applicable Interventional

The Effects of a Mobile Health Intervention and Health Coach Text Messaging on Cardiovascular Risk of Older Adults

NCT03720327
View directory record Official record
Conditions
Cardiovascular Diseases, Cardiovascular Risk Factor
Interventions
Get FIT+
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
60 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
5
States / cities
Anaheim, California • Irvine, California • Orange, California + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 18, 2022 · Synced Nov 1, 2026, 5:45 AM EST
Completed Phase 2 Interventional Results available

TExT-MED + FANS Full Trial

NCT03178773
View directory record Official record
Conditions
Diabetes
Interventions
TExT-MED, FANS
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 6, 2021 · Synced Nov 1, 2026, 5:45 AM EST
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

BrighT STAR LIBRA: Leveraging Implementation Science for Blood Culture Reduction Approaches

NCT06187662
View directory record Official record
Conditions
Blood Culture Rates, Antibiotic Stewardship, Implementation Science
Interventions
Checklist, Targeted Messaging
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
8
States / cities
Los Angeles, California • San Francisco, California • Wilmington, Delaware + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2025 · Synced Nov 1, 2026, 5:45 AM EST
Completed Not applicable Interventional

Enhanced SUPport for Initiation and paRticipation in a FOOD is Medicine Program

NCT06500962
View directory record Official record
Conditions
Cardiac Rehabilitation, Nutrition, Healthy, Nutrition Poor
Interventions
Usual Care, Navigation, Text Messaging
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Nov 1, 2026, 5:45 AM EST
Completed Not applicable Interventional

Effectiveness of Influenza Vaccine Reminder Systems

NCT01852656
View directory record Official record
Conditions
Asthma, Chronic Obstructive Pulmonary Disease
Interventions
Postcard and IVR Reminder Group, Postcard Only Reminder Group, IVR Only Reminder Group
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
19 Years to 64 Years
Enrollment
12,255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 14, 2013 · Synced Nov 1, 2026, 5:45 AM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

INcreasing Veteran EngagemeNT to Prevent Diabetes (INVENT)

NCT03403231
View directory record Official record
Conditions
Prediabetes
Interventions
INVENT Secure Messaging Intervention
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Up to 75 Years
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 25, 2023 · Synced Nov 1, 2026, 5:45 AM EST
Active, not recruiting Not applicable Interventional

Sun Exposure and Activities After Skin Cancer: Optimization of mHealth Interventions

NCT07556380
View directory record Official record
Conditions
Melanoma (Skin Cancer)
Interventions
UV Real-Time Alerts, Track Your Sun Protection, Current Conditions, Health Coaching, Action Planning, Core Components
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Chicago, Illinois • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 29, 2026 · Synced Nov 1, 2026, 5:45 AM EST
Completed Not applicable Interventional

A Pilot Study to Evaluate an Intervention for Gestational Weight Gain

NCT05143008
View directory record Official record
Conditions
Pregnancy Related, Weight Gain, Maternal
Interventions
SMART Intervention
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
14 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 3, 2021 · Synced Nov 1, 2026, 5:45 AM EST
Recruiting Not applicable Interventional Accepts healthy volunteers

Optimizing a Mobile Health Platform for Sleep Promotion and Obesity Prevention in Children

NCT05703347
View directory record Official record
Conditions
Insufficient Sleep, Obesity
Interventions
Fixed sleep goal, Personalized sleep goal, Digital sleep health messaging without virtual study visit, Digital sleep health messaging with virtual study visit, Inactive Parent-Directed Loss-Framed Incentive, Active Parent-Directed Loss-Framed Incentive, Inactive Supportive Feedback, Active Supportive Feedback
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
8 Years to 12 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Nov 1, 2026, 5:45 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Boost Intentions and Facilitate Action to Promote COVID-19 Booster Take-up

NCT05586204
View directory record Official record
Conditions
COVID-19, Vaccines
Interventions
Eligibility reminder, Link to a narrow set of vaccine venues, Link to a broad set of vaccine venues, Doctors' recommendation and value of vaccine
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
154,977 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 9, 2024 · Synced Nov 1, 2026, 5:45 AM EST
Completed Not applicable Interventional

Smartstep Smartphone PAD

NCT03479255
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
Smartphone-enabled structured exercise therapy (SE-SET), Standard exercise therapy
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 89 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 13, 2025 · Synced Nov 1, 2026, 5:45 AM EST
Completed Not applicable Interventional

Increasing Adherence to Lung Cancer Screening

NCT05832008
View directory record Official record
Conditions
Lung Cancer, Adherence, Patient
Interventions
Patient Nudge, Clinician Nudge
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
50 Years to 80 Years
Enrollment
825 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 21, 2026 · Synced Nov 1, 2026, 5:45 AM EST
Completed Not applicable Interventional

Pilot Study of Health Information Technology for Chronic Kidney Disease Management

NCT02990897
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
clinical decision support message
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
Danvers, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 3, 2022 · Synced Nov 1, 2026, 5:45 AM EST
Recruiting Not applicable Interventional

ActiveGirls: Physical Activity, Hormone Health, and Diabetes Risk in Early Adolescence

NCT07102797
View directory record Official record
Conditions
PCOS (Polycystic Ovary Syndrome), Puberty, Insulin Resistance, Physical Activity
Interventions
ActiveGirls Physical Activity Program (Full), ActiveGirls Physical Activity Program (Delayed Lower Intensity)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
8 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Somerville, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Nov 1, 2026, 5:45 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Targeting Pregnancy-related Weight Gain to Reduce Disparities in Obesity

NCT02229708
View directory record Official record
Conditions
Pregnancy, Body Weight Changes, Behavioral, Obesity
Interventions
Healthy Lifestyle Group
Behavioral
Lead sponsor
Temple University
Other
Eligibility
18 Years and older · Female only
Enrollment
262 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 17, 2019 · Synced Nov 1, 2026, 5:45 AM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

Interventions to Increase HBV Vaccinations in Sexually Transmitted Disease (STD) Clinics

NCT00739752
View directory record Official record
Conditions
Hepatitis B Virus
Interventions
Non-Framed-Offered, Non-Framed-Recommended, Gain-Framed-Offered, Gain-Framed-Recommended, Loss-Framed-Offered, Loss-Framed-Recommended
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
1,747 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
2
States / cities
Chicago, Illinois • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 9, 2018 · Synced Nov 1, 2026, 5:45 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Integrating a Health Information Technology System for Primary and Secondary Cervical Cancer Prevention

NCT03346915
View directory record Official record
Conditions
Human Papilloma Virus, Cervical Cancer, Human Papillomavirus Infection, Oropharyngeal Cancer, Vaginal Cancer, Vulvar Cancer, Anal Cancer, Penile Cancer
Interventions
WoW and BNI
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
9 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 9, 2019 · Synced Nov 1, 2026, 5:45 AM EST
Completed No phase listed Observational

Pediatric Vaccinations

NCT04936776
View directory record Official record
Conditions
Pediatric ALL, Vaccination, Immunization
Interventions
Text messaging
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
1 Year to 2 Years
Enrollment
1,034 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Nov 1, 2026, 5:45 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

The Share Health Study: Teen Social Connections and Health (Phase 2)

NCT03842540
View directory record Official record
Conditions
Contraception
Interventions
SpeakOut, PartyWise
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
15 Years to 20 Years · Female only
Enrollment
1,099 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Nov 1, 2026, 5:45 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Trial of Print Messages to Support the Role of Partners in Promoting Provider Discussions About Prostate Cancer Screening Among AA Men

NCT01937585
View directory record Official record
Conditions
Prostate Cancer
Interventions
Partner and CDC brochure condition, CDC brochure only condition
Behavioral
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
231 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 9, 2013 · Synced Nov 1, 2026, 5:45 AM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

Randomized Evaluation of a Multi-Component, Rights-Based Sexuality Education Initiative for High School Students

NCT02009046
View directory record Official record
Conditions
Pregnancy, Sexually Transmitted Diseases
Interventions
SEI Classroom Curriculum, Control Classroom Curriculum, SEI Curriculum + 3 School Components, Control Curriculum + 1 School Component
Behavioral
Lead sponsor
Public Health Institute, California
Other
Eligibility
13 Years to 16 Years
Enrollment
1,909 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 29, 2018 · Synced Nov 1, 2026, 5:45 AM EST